package org.example.booksystem.config;


import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.SneakyThrows;
import org.example.booksystem.moudel.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@ResponseBody
@ControllerAdvice
public class ResponseAdvice implements ResponseBodyAdvice {
    @Autowired
    private ObjectMapper objectMapper ;

    @Override
    public boolean supports(MethodParameter returnType, Class converterType) {
        return true;
    }



    @SneakyThrows
    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
         if(body instanceof Result) return body ;
         if(body instanceof String) return objectMapper.writeValueAsString( Result.success(body));

        return  Result.success(body);
    }
}
